Describing the new controversial citizenship law as India’s internal matter, visiting U.S. President Donald Trump on Tuesday said that he raised the issue of religious freedom during his discussions with Indian Prime Minister Narendra Modi.

Trump, who held comprehensive talks with Modi on the second and the last day of his visit, said the Kashmir issue as a “big problem” between India and Pakistan.

Describing it “a thorn in a lot of people’s sides” he also reiterated his offer to mediate between the two countries to ease the tension. “If anything, I can do to meditate, I will

Read more: In India, Trump reiterates mediation offer on Kashmir